Array List Lesson

import java.util.Arrays;
import java.util.ArrayList;

public class arrayListLesson {

    public static void main(String[] args) {

        ArrayList<String> myArray = new ArrayList<>(Arrays.asList("Index1", "Index2", "Index3", "Index4"));

        System.out.println(myArray); // print entire list
        System.out.println(myArray.get(1)); // print index 1 (starting at 0 of course)

        myArray.add("Index5");
        System.out.println(myArray);

        if(myArray.contains("Index4")) { // .contains checks if an index exists
            System.out.println("Index 4 exists.");
        }
    }
}


arrayListLesson.main(null);

[Index1, Index2, Index3, Index4]
Index2
[Index1, Index2, Index3, Index4, Index5]
Index 4 exists.